Changelog for centos-release-xen-6-4.el6.centos.x86_64.rpm :
Mon Oct 20 14:00:00 2014 Johnny Hughes - 6-4.el6.centos
- shifted /etc/sysconfig/xen-kernel to centos-xen-release

Thu Oct 9 14:00:00 2014 Johnny Hughes - 6-3.el6.centos
- Modified grub-bootxen.sh to allow for automatic grub updates for kernel install

Wed Jun 19 14:00:00 2013 Karanbir Singh - 6-2.el6.centos
- Update to release

Thu Jan 31 13:00:00 2013 Karanbir Singh - 6-0.el6.centos
- Build for CentOS Xen Beta release